While Greek voters chose to support austerity measures, concerns remained that the country may yet abandon the euro. The markets closed mixed with the Dow losing 25 points to 12,741 while Nasdaq climbed 22 points to 2895.

National Bank of Greece (NYSE: NBG) fell over concerns that a stable coalition government may not be attainable for Greece.

In the broad market, advancing issues outpaced decliners by a margin of 7 to 5 on the NYSE while advancers barely edged out decliners by a slim margin on Nasdaq. The Russell 2000 which tracks small cap stocks added a point to 772.